GeForce GTS 450 vs GeForce RTX 2080 SUPER

Intro

Compare those specifications to the GeForce RTX 2080 SUPER, which has a clock frequency of 1650 MHz and a GDDR6 memory frequency of 1937 MHz. It also uses a 256-bit bus, and uses a 12 nm design. It is made up of 3072 SPUs, 192 Texture Address Units, and 64 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450		106 Watts
GeForce RTX 2080 SUPER		250 Watts
	Difference: 144 Watts (136%)

Memory Bandwidth

Theoretically, the GeForce RTX 2080 SUPER should be a lot faster than the GeForce GTS 450 overall. (explain)

GeForce RTX 2080 SUPER		507904 MB/sec
GeForce GTS 450		57728 MB/sec
	Difference: 450176 (780%)

Texel Rate

The GeForce RTX 2080 SUPER is much (more or less 1164%) faster with regards to texture filtering than the GeForce GTS 450. (explain)

GeForce RTX 2080 SUPER		316800 Mtexels/sec
GeForce GTS 450		25056 Mtexels/sec
	Difference: 291744 (1164%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce RTX 2080 SUPER is a better choice, and very much so. (explain)

GeForce RTX 2080 SUPER		105600 Mpixels/sec
GeForce GTS 450		12528 Mpixels/sec
	Difference: 93072 (743%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.